过热度对轴承钢凝固组织整体形貌特征及渗透率的影响
曹江海, 侯自兵, 郭中傲, 郭东伟, 唐萍

Effect of Superheat on Integral Morphology Characteristics of Solidification Structure and Permeability in Bearing Steel Billet
CAO Jianghai, HOU Zibing, GUO Zhongao, GUO Dongwei, TANG Ping
图6 过热度为20和35℃时铸坯不同位置的比表面积
Fig.6 Specific surface areas at different locations under 20 and 35oC superheats